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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 572 · 40 questions
TalentJR

Developer's tip (Stack of screens): Open a screen → it goes on top of the stack. Back → the top screen closes; you see the one underneath. Tap a tab → you jump to that tab’s main screen. Backs needed to get home = screens on the stack − 1.

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  1. 1.Which of these is true of the back button? (a) goes to the last screen (b) hides extra links (c) sits at the bottom (d) opens a list of pages
  2. 2.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  3. 3.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) that tab’s main screen (c) the last app used (d) the phone settings
  4. 4.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Help page”
    3. tap the Quiz tab
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Badges”
    3. open “Match report”
    Which screen are you on now?     (a) Feed (b) Match report (c) Chat (d) Badges
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Search tab
    3. open “Friend list”
    4. open “Edit photo”
    5. tap the Profile tab
    Which screen are you on now?     (a) Edit photo (b) Friend list (c) Profile (d) Badges
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Help page”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) in the middle (c) nowhere (d) at the bottom
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Me tab
    3. open “Match report”
    4. tap the Lessons tab
    5. tap the Lessons tab
    Which screen are you on now?     (a) Match report (b) Quiz (c) Me (d) Lessons
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Settings tab
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.Which of these is true of a menu button? (a) undoes one move (b) shows 3 to 5 icons (c) hides extra links (d) switches main sections
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Friend list”
    4. open “Help page”
    Which screen are you on now?     (a) Help page (b) Friend list (c) Video (d) Home
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. tap the Me tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.Which of these is true of the back button? (a) switches main sections (b) sits at the bottom (c) hides extra links (d) undoes one move
  19. 19.Which of these is true of a tab bar? (a) hides extra links (b) switches main sections (c) undoes one move (d) opens a list of pages
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Lessons tab
    3. open “Help page”
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Edit photo (b) Lessons (c) Map (d) Help page
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Quiz tab
    3. open “Video”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 Which part of navigation hides extra links? (a) a menu button (b) a tab bar (c) the back button
  23. 23.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. open “Help page”
    4. tap Back
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Help page”
    3. open “Edit photo”
    Which screen are you on now?     (a) Help page (b) Search (c) Edit photo (d) Home
  26. 26.Which of these is true of a tab bar? (a) opens a list of pages (b) undoes one move (c) hides extra links (d) shows 3 to 5 icons
  27. 27.🧭 What does the back button usually do? (a) goes to the last screen (b) opens settings (c) deletes the page (d) closes all apps
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Friend list”
    3. open “Video”
    4. open “Help page”
    Which screen are you on now?     (a) Friend list (b) Help page (c) Map (d) Video
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Quiz tab
    3. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 20 (c) 10 to 12 (d) 1
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Match report”
    3. open “Edit photo”
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Help page”
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. tap the Lessons tab
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Help page”
    3. tap Back
    Which screen are you on now?     (a) Chat (b) Feed (c) Settings (d) Help page
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Score card”
    3. tap the Me tab
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Score card (d) Me
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Match report”
    3. open “Video”
    Which screen are you on now?     (a) Video (b) Match report (c) Home (d) Edit photo
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Chat tab
    3. open “Video”
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Video (b) Help page (c) Chat (d) Feed
  38. 38.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) switches main sections (c) opens a list of pages (d) sits at the bottom
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Lessons tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Me (d) Edit photo
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Search tab
    3. open “Map”
    4. tap Back
    5. open “Match report”
    Which screen are you on now?     (a) Video (b) Map (c) Match report (d) Home

Answer key

  1. goes to the last screen
  2. a tab bar
  3. that tab’s main screen
  4. the back button
  5. 1
  6. Match report
  7. Profile
  8. 0
  9. at the bottom
  10. Lessons
  11. 1
  12. the back button
  13. 1
  14. hides extra links
  15. 1
  16. Help page
  17. 1
  18. undoes one move
  19. switches main sections
  20. Help page
  21. 0
  22. a menu button
  23. a tab bar
  24. 1
  25. Edit photo
  26. shows 3 to 5 icons
  27. goes to the last screen
  28. Help page
  29. 0
  30. 3 to 5
  31. 3
  32. 0
  33. 0
  34. Feed
  35. Me
  36. Video
  37. Video
  38. opens a list of pages
  39. Edit photo
  40. Match report

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